參數(shù)資料
型號(hào)： AD8197ASTZ
廠商： Analog Devices Inc
文件頁數(shù)： 1/32頁
文件大小： 0K
描述： IC SWITCH DVI/HDMI 4:1 100-LQFP
標(biāo)準(zhǔn)包裝： 1
功能： 開關(guān)
電路： 1 x 16:1
電壓電源： 單電源
電壓 - 電源，單路/雙路(±)： 3 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 100-LQFP
供應(yīng)商設(shè)備封裝： 100-LQFP（14x14）
包裝： 托盤
4:1 HDMI/DVI Switch with Equalization
AD8197
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
FEATURES
4 inputs, 1 output HDMI/DVI links
Enables HDMI 1.3-compliant receiver
Pin-to-pin compatible with the AD8191
4 TMDS channels per link
Supports 250 Mbps to 2.25 Gbps data rates
Supports 25 MHz to 225 MHz pixel clocks
Equalized inputs for operation with long HDMI cables
(20 meters at 2.25 Gbps)
Fully buffered unidirectional inputs/outputs
Globally switchable, 50 Ω on-chip terminations
Pre-emphasized outputs
Low added jitter
Single-supply operation (3.3 V)
4 auxiliary channels per link
Bidirectional unbuffered inputs/outputs
Flexible supply operation (3.3 V to 5 V)
HDCP standard compatible
Allows switching of DDC bus and 2 additional signals
Multiple channel bundling modes
1× (4:1) HDMI/DVI link switch (default)
2× (8:1) TMDS channel and auxiliary signal switch
1× (16:1) TMDS channel and auxiliary signal switch
Output disable feature
Reduced power dissipation
Removable output termination
Allows building of larger arrays
Two AD8197s support HDMI/DVI dual-link
Standards compatible: HDMI receiver, HDCP, DVI
Serial (I2C slave) and parallel control interface
100-lead, 14 mm × 14 mm LQFP, Pb-free package
APPLICATIONS
Multiple input displays
Projectors
A/V receivers
Set-top boxes
Advanced television (HDTV) sets
GENERAL DESCRIPTION
The AD8197 is an HDMI/DVI switch featuring equalized
TMDS inputs and pre-emphasized TMDS outputs, ideal for
systems with long cable runs. Outputs can be set to a high
impedance state to reduce the power dissipation and/or to allow
the construction of larger arrays using the wire-OR technique.
Flexible channel bundling modes (for both the TMDS channels
and the auxiliary signals) allow the AD8197 to be configured as a
FUNCTIONAL BLOCK DIAGRAM
LOW SPEED UNBUFFERED
HIGH SPEED
BUFFERED
AVCC
DVCC
AMUXVCC
AVEE
DVEE
VTTO
OP[3:0]
AUX_COM[3:0]
ON[3:0]
+
–
4
BIDIRECTIONAL
I2C_SDA
I2C_SCL
I2C_ADDR[2:0]
VTTI
IP_A[3:0]
IN_A[3:0]
+
–
IP_B[3:0]
IN_B[3:0]
+
–
IP_C[3:0]
IN_C[3:0]
+
–
IP_D[3:0]
IN_D[3:0]
AUX_C[3:0]
AUX_B[3:0]
AUX_A[3:0]
AUX_D[3:0]
+
–
4
EQ
SWITCH
CORE
SWITCH
CORE
CONTROL
LOGIC
CONFIG
INTERFACE
3
2
SERIAL
PARALLEL
P
_C
H
[1:
0]
PP_
O
T
O
PP_
O
C
L
PP_
EQ
PP_
EN
PP_
PR
E[
1:
0]
RESET
PE
4
AD8197
0
647
1-
0
01
Figure 1.
TYPICAL APPLICATION
DVD PLAYER
GAME CONSOLE
SET-TOP BOX
MEDIA CENTER
HDTV SET
HDMI
RECEIVER
AD8197
04:20
06
471
-0
02
Figure 2. Typical HDTV Application
4:1 single HDMI/DVI link switch, a dual 8:1 switch, or a single
16:1 switch.
The AD8197 is provided in a 100-lead LQFP, Pb-free, surface-
mount package, specified to operate over the 40°C to +85°C
temperature range.
PRODUCT HIGHLIGHTS
1.
Supports data rates up to 2.25 Gbps, enabling 1080p deep
color (12-bit color) HDMI formats, and greater than
UXGA (1600 × 1200) DVI resolutions.
2.
Input cable equalizer enables use of long cables at the input
(more than 20 meters of 24 AWG cable at 2.25 Gbps).
3.
Auxiliary switch routes a DDC bus and two additional signals
for a single-chip, HDMI 1.3 receive-compliant solution.
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